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mhi: use irq_flags if controller driver configures it

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This commit is contained in:
lean 2022-04-07 18:38:21 +08:00
parent 89e39d8809
commit d7780d7360
1 changed files with 47 additions and 0 deletions

47
target/linux/generic/hack-5.10/994-mhi-use-irq-flags.patch Normal file
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@ -0,0 +1,47 @@
--- a/drivers/bus/mhi/core/init.c
+++ b/drivers/bus/mhi/core/init.c
@@ -151,12 +151,17 @@ int mhi_init_irq_setup(struct mhi_controller *mhi_cntrl)
{
struct mhi_event *mhi_event = mhi_cntrl->mhi_event;
struct device *dev = &mhi_cntrl->mhi_dev->dev;
+ unsigned long irq_flags = IRQF_SHARED | IRQF_NO_SUSPEND;
int i, ret;
+ /* if controller driver has set irq_flags, use it */
+ if (mhi_cntrl->irq_flags)
+ irq_flags = mhi_cntrl->irq_flags;
+
/* Setup BHI_INTVEC IRQ */
ret = request_threaded_irq(mhi_cntrl->irq[0], mhi_intvec_handler,
mhi_intvec_threaded_handler,
- IRQF_SHARED | IRQF_NO_SUSPEND,
+ irq_flags,
"bhi", mhi_cntrl);
if (ret)
return ret;
@@ -174,7 +179,7 @@ int mhi_init_irq_setup(struct mhi_controller *mhi_cntrl)
ret = request_irq(mhi_cntrl->irq[mhi_event->irq],
mhi_irq_handler,
- IRQF_SHARED | IRQF_NO_SUSPEND,
+ irq_flags,
"mhi", mhi_event);
if (ret) {
dev_err(dev, "Error requesting irq:%d for ev:%d\n",
--- a/include/linux/mhi.h
+++ b/include/linux/mhi.h
@@ -353,6 +353,7 @@ struct mhi_controller_config {
* @fbc_download: MHI host needs to do complete image transfer (optional)
* @pre_init: MHI host needs to do pre-initialization before power up
* @wake_set: Device wakeup set flag
+ * @irq_flags: irq flags passed to request_irq (optional)
*
* Fields marked as (required) need to be populated by the controller driver
* before calling mhi_register_controller(). For the fields marked as (optional)
@@ -444,6 +445,7 @@ struct mhi_controller {
bool fbc_download;
bool pre_init;
bool wake_set;
+ unsigned long irq_flags;
};